
ML51/ML54/ML56
Sep. 01, 2020
Page
562
of 719
Rev 2.00
ML
51
/ML
54
/ML
5
6 S
E
RI
E
S
TECHNI
CA
L
RE
F
E
R
E
NC
E
M
A
NU
A
L
ML51/M
L54
/M
L56
Series
Tec
hnical Reference
Manual
6.13.2 Block Diagram
0000
0001
0010
0011
0100
0101
0110
0111
1000
VBG
ADCHS[3:0]
ADCEX
1 2- bit SAR
ADC
ADCRH
ADCRL
ADCF
ADC result
comparator
External
Trigger
V
DD
ADCEN
ADCS
ADC XRAM Control
ADCBAH
ADCSN
XRAM
(Auxiliary RAM)
ADC Interrupt
12
ADC flag
Re-trigger
V
REF
V
R
E
F
A
D
C
V
D
D
STADC
ADC_CH0
ADC_CH1
ADC_CH2
ADC_CH3
ADC_CH4
ADC_CH5
ADC_CH6
ADC_CH7
A
D
C
c
o
n
v
e
rs
io
n
s
ta
rt
1001
VTEMP
ADC_CH10
1011
ADC_CH11
1100
ADC_CH12
1101
ADC_CH13
1110
ADC_CH14
1111
ADC_CH15
1010
Figure 6.13-1 12-bit ADC Block Diagram